What more can the European Central Bank do if the outcome leads to further volatility? In the short-term not much, Simon Nixon writes

After the Brexit vote and the election of Donald Trump, the only thing anyone can say for certain is that nobody knows anything. A defeat for Prime Minister Matteo Renzi in this weekend’s Italian constitutional referendum could well be the spark that reignites the eurozone crisis, reviving doubts about the survival of the single currency. But neither Brexit nor Mr. Trump’s victory has so far led to the turmoil that many predicted, even though both caught markets by surprise.